Approximately 4 x 6-1/2". 1990. The Canadian National Rail Operating Instructions are a collection of rule books and manuals that provide detailed guidance on operating the trains and conducting operations on the Canadian National Rail network. These instructions are essential for train personnel to ensure safe and efficient transportation of passengers and cargo. With a focus on maintaining high standards of safety and performance, these operating instructions serve as a valuable resource for both collectors and transportation enthusiasts interested in the intricacies of railroad operations.
